Build(deps): Bump third_party/surelog from 5c96759 to 21f2bc5 (#2652

)

Bumps [third_party/surelog](https://github.com/chipsalliance/Surelog)
from `5c96759` to `21f2bc5`.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/chipsalliance/Surelog/commit/21f2bc5e93b44cbd1c2b0344b1733fbf1538bf40"><code>21f2bc5</code></a>
Merge pull request <a
href="https://redirect.github.com/chipsalliance/Surelog/issues/4015">#4015</a>
from hzeller/feature-20241112-uhdm-incs</li>
<li><a
href="https://github.com/chipsalliance/Surelog/commit/ec658e175d44a35e5f0da44657f536cd843b56f4"><code>ec658e1</code></a>
Add a couple of missing uhdm headers.</li>
<li><a
href="https://github.com/chipsalliance/Surelog/commit/f41571abd78239fe89f8708e6a3eef77e52a28bb"><code>f41571a</code></a>
Merge pull request <a
href="https://redirect.github.com/chipsalliance/Surelog/issues/4014">#4014</a>
from hzeller/feature-20241110-even-more-inc-fixes</li>
<li><a
href="https://github.com/chipsalliance/Surelog/commit/fc18feb094a937aeab671b1103ae8578cdba2639"><code>fc18feb</code></a>
Include CompileHelper.h for SURELOG::Reduce</li>
<li><a
href="https://github.com/chipsalliance/Surelog/commit/9ef92eef2a9e2eb00f3c4370e4ed940b46c237b4"><code>9ef92ee</code></a>
Include tuple for std::tuple</li>
<li><a
href="https://github.com/chipsalliance/Surelog/commit/b337d750f51ac0ca0c283b0cd660b45bcf78fb9e"><code>b337d75</code></a>
Include capnp/blob.h for capnp::Text</li>
<li><a
href="https://github.com/chipsalliance/Surelog/commit/3814cc4647933a3127bfaa897861b7620364be8a"><code>3814cc4</code></a>
Include capnp/list.h for capnp::List</li>
<li><a
href="https://github.com/chipsalliance/Surelog/commit/bd1f7285dbc4c2f18dbc3b31ccb9a6d118b79e82"><code>bd1f728</code></a>
Include RTTI.h where needed.</li>
<li><a
href="https://github.com/chipsalliance/Surelog/commit/67182c78ebd19f6051975af5200728a047a5cfa6"><code>67182c7</code></a>
Merge pull request <a
href="https://redirect.github.com/chipsalliance/Surelog/issues/4013">#4013</a>
from hzeller/feature-20241110-more-inc-fixes</li>
<li><a
href="https://github.com/chipsalliance/Surelog/commit/fc50a33baec6b779f32b0c5dafda0ae2c3122aaa"><code>fc50a33</code></a>
Include cstddef in files using size_t</li>
<li>Additional commits viewable in <a
href="https://github.com/chipsalliance/Surelog/compare/5c96759a13467ecbd3905d4a0c169a6640d57da8...21f2bc5e93b44cbd1c2b0344b1733fbf1538bf40">compare
view</a></li>
</ul>
</details>
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